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TDA7490L PDF预览

TDA7490L

更新时间: 2024-11-16 04:28:39
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页数 文件大小 规格书
11页 242K
描述
20W + 20W STEREO CLASS-D AMPLIFIER 40W MONO IN BTL

TDA7490L 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:ZFM
包装说明:FLEXIWATT-25针数:25
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.33.00.01风险等级:5.79
标称带宽:22 kHz商用集成电路类型:AUDIO AMPLIFIER
增益:30 dB谐波失真:10%
JESD-30 代码:R-PZFM-T25JESD-609代码:e3
长度:29.23 mm信道数量:2
功能数量:1端子数量:25
最高工作温度:70 °C最低工作温度:
标称输出功率:20 W封装主体材料:PLASTIC/EPOXY
封装代码:SZIP封装等效代码:ZIP25,.16,.16,40
封装形状:RECTANGULAR封装形式:FLANGE MOUNT
峰值回流温度(摄氏度):NOT SPECIFIED电源:+-17 V
认证状态:Not Qualified座面最大高度:19.37 mm
子类别:Audio/Video Amplifiers最大压摆率:120 mA
最大供电电压 (Vsup):25 V最小供电电压 (Vsup):10 V
表面贴装:NO温度等级:COMMERCIAL
端子面层:Tin (Sn)端子形式:THROUGH-HOLE
端子节距:1 mm端子位置:ZIG-ZAG
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4.5 mm
Base Number Matches:1

TDA7490L 数据手册

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TDA7490L  
20W + 20W STEREO CLASS-D AMPLIFIER  
40W MONO IN BTL  
1 FEATURES  
Figure 1. Package  
20W + 20W OUTPUT POWER:  
@RL = 8/4; THD = 10%  
HIGH EFFICIENCY  
Flexiwatt 25  
WIDE SUPPLY VOLTAGE RANGE (FROM 10  
TO 25V)  
Table 1. Order Codes  
SPLIT SUPPLY, SINGLE SUPPLY  
OPERATION  
Part Number  
Package  
TURN OFF/ON POP FREE  
TDA7490L  
Flexiwatt 25  
ST-BY AND MUTE FEATURES  
SHORT CIRCUIT PROTECTION ACROSS  
THE LOAD  
2 DESCRIPTION  
THERMAL OVERLOAD PROTECTION  
EXTERNALLY SINCHRONIZABLE  
BRIDGE CONFIGURATION  
The TDA7490L is a dual audio class D amplifier  
assembled in Flexiwatt 25 package; it is specially  
designed for high efficiency application mainly for  
TV and Home Stereo sets.  
Figure 2. Test and Application Circuit. (Stereo Configuration)  
R1 10K  
MUTE  
R17 52.3K  
+VCC  
-VCC  
+VCC  
STBY  
R2  
30K  
C26 470pF C25 470pF  
R21 4.7K  
R20  
68K  
R4  
130K  
C23  
2200µF  
C22  
100nF  
C21  
2200µF  
-VCC  
R3  
10K  
C27  
2.2µF  
R15  
100  
7
9
6
14  
2
4
C1 330nF  
10  
5
3
C20  
33nF  
C19  
560pF  
INPUT1  
G=2.5  
PWM-stage1  
OUT1  
C2  
1nF  
INTEGRATOR1  
PREAMPLIFIER1  
12  
L1 30µ  
C10  
220nF  
C18 330pF  
R14 22K  
11  
C3  
100nF  
13  
16  
1
C4  
100nF  
8
OSC  
EXT_CK  
R1 10K  
-VCC  
C17  
24pF  
R13  
10K  
C16 330pF  
R12 22K  
C7 100nF  
C5 330nF  
15  
23  
21  
-VCC  
25  
R 6.8  
L2 30µ  
OUT2  
PREAMPLIFIER2  
INTEGRATOR2  
C29  
220nF  
INPUT2  
G=2.5  
PWM-stage2  
20  
C14  
33nF  
C15  
18  
560pF  
C6  
1nF  
24  
22  
19  
C8 470pF  
17  
R11  
100  
R5 4.7K  
-VCC  
R6  
68K  
C9 470pF  
C28  
2200µF  
C11  
100nF  
C12  
2200µF  
-VCC  
+VCC  
D98AU978A  
R9 52.3K  
Rev. 2  
1/11  
December 2005  

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